====================================== | [ 10.502106][ T187] softirqs last disabled at (42491): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.502108][ T187] Preemption disabled at: | [ 10.502109][ T187] 0x0 | [ 10.502120][ T187] Tainted: [W]=WARN [ 10.502121][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.502122][ T187] Call Trace: [ 10.502124][ T187] [ 10.502126][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.502132][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 10.502137][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.502141][ T187] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.502146][ T187] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.502149][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.502155][ T187] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.502158][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.502161][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 10.502164][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.502165][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.502170][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.502175][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.502182][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.502184][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.502187][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.502191][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.502195][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.502196][ T187] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.502200][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.502202][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.502206][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.502210][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.502212][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.502217][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.502220][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.502222][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.502224][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.502228][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.502230][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.502233][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 10.502237][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.502241][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.502244][ T187] _printk (kernel/printk/printk.c:2504) [ 10.502248][ T187] ? snapshot_read.cold (user.c:?) [ 10.502251][ T187] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.502254][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.502258][ T187] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.502260][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.502264][ T187] ? exit_notify (kernel/exit.c:780) [ 10.502266][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.502269][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.502273][ T187] do_group_exit (kernel/exit.c:1151) [ 10.502276][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.502278][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.502280][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.502283][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.502287][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.502289][ T187] RIP: 0033:0x7fd9b4bb71b8 [ 10.502291][ T187] Code: Unable to access opcode bytes at 0x7fd9b4bb718e. Code starting with the faulting instruction =========================================== [ 10.502292][ T187] RSP: 002b:00007ffc04d96cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.502295][ T187] RAX: ffffffffffffffda RBX: 00007fd9b4ce7f88 RCX: 00007fd9b4bb71b8 [ 10.502296][ T187] RDX: 00007fd9b4901fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.502297][ T187] RBP: 00007ffc04d96d50 R08: 0000000000000000 R09: 0000000000008010 [ 10.502298][ T187] R10: 00007ffc04d96b10 R11: 0000000000000246 R12: 0000000000000001 [ 10.502299][ T187] R13: 0000000000000000 R14: 00007fd9b4ce6680 R15: 00007fd9b4ce7fa0 | [ 12.639978][ T268] softirqs last disabled at (21706): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 12.639980][ T268] Preemption disabled at: | [ 12.639981][ T268] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.639990][ T268] Tainted: [W]=WARN [ 12.639991][ T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.639995][ T268] Call Trace: [ 12.639997][ T268] [ 12.639999][ T268] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.640005][ T268] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.640007][ T268] __might_resched.cold (kernel/sched/core.c:9234) [ 12.640012][ T268] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.640016][ T268] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.640021][ T268] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.640023][ T268] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.640029][ T268] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.640032][ T268] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.640035][ T268] put_chars (drivers/char/virtio_console.c:1176) [ 12.640038][ T268] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.640042][ T268] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.640046][ T268] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.640049][ T268] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.640051][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.640052][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.640056][ T268] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.640058][ T268] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.640061][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.640066][ T268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.640070][ T268] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.640073][ T268] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.640075][ T268] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.640078][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.640081][ T268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.640084][ T268] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.640089][ T268] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.640090][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.640096][ T268] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.640098][ T268] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.640100][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.640103][ T268] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.640106][ T268] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.640108][ T268] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.640111][ T268] vprintk_emit (kernel/printk/printk.c:2479) [ 12.640115][ T268] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.640118][ T268] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.640119][ T268] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.640124][ T268] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.640127][ T268] _printk (kernel/printk/printk.c:2504) [ 12.640131][ T268] ? snapshot_read.cold (user.c:?) [ 12.640135][ T268] ? br_multicast_flood (??:?) bridge [ 12.640148][ T268] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.640149][ T268] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.640151][ T268] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.640155][ T268] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 12.640165][ T268] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 12.640173][ T268] new_nbp (net/bridge/br_if.c:449) bridge [ 12.640183][ T268] br_add_if (net/bridge/br_if.c:592) bridge [ 12.640191][ T268] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 12.640195][ T268] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 12.640198][ T268] ? __kernel_text_address (kernel/extable.c:79) [ 12.640202][ T268] do_set_master (net/core/rtnetlink.c:3071) [ 12.640206][ T268] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.640210][ T268] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.640213][ T268] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.640214][ T268] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.640217][ T268] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.640220][ T268] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.640223][ T268] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.640225][ T268] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.640227][ T268] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.640230][ T268] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.640232][ T268] ? kasan_save_track (mm/kasan/common.c:78) [ 12.640235][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.640236][ T268] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 12.640240][ T268] ? ___sys_sendmsg (net/socket.c:2757) [ 12.640244][ T268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.640246][ T268] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.640249][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.640251][ T268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.640253][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.640255][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.640257][ T268] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.640261][ T268] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 12.640263][ T268] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.640265][ T268] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.640268][ T268] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.640270][ T268] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.640275][ T268] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.640280][ T268] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.640285][ T268] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.640287][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.640292][ T268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.640293][ T268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.640296][ T268] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.640297][ T268] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.640301][ T268] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.640303][ T268] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.640306][ T268] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.640308][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.640312][ T268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.640314][ T268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.640317][ T268] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.640319][ T268] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.640322][ T268] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.640328][ T268] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 12.640330][ T268] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 12.640334][ T268] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.640338][ T268] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.640340][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.640345][ T268] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.640348][ T268] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.640352][ T268] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.640358][ T268] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 12.640360][ T268] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.640362][ T268] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 12.640364][ T268] ? move_addr_to_kernel (net/socket.c:258) [ 12.640371][ T268] ___sys_sendmsg (net/socket.c:2767) [ 12.640374][ T268] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.640390][ T268] __sys_sendmsg (net/socket.c:2799) [ 12.640393][ T268] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.640399][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.640403][ T268] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.640405][ T268] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.640408][ T268] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.640410][ T268] RIP: 0033:0x7fbdff10654e [ 12.640414][ T268] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 12.640415][ T268] RSP: 002b:00007fffd6eb5ba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.640418][ T268] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbdff10654e [ 12.640420][ T268] RDX: 0000000000000000 RSI: 00007fffd6eb5c50 RDI: 0000000000000005 [ 12.640421][ T268] RBP: 00007fffd6eb5bb0 R08: 0000000000000000 R09: 0000000000000000 [ 12.640422][ T268] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e596 [ 12.640422][ T268] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd6eb6310 | [ 15.819551][ T364] softirqs last disabled at (20426): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 15.819555][ T364] Preemption disabled at: | [ 15.819555][ T364] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.819568][ T364] Tainted: [W]=WARN [ 15.819569][ T364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.819571][ T364] Call Trace: [ 15.819573][ T364] [ 15.819576][ T364] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.819583][ T364] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.819587][ T364] __might_resched.cold (kernel/sched/core.c:9234) [ 15.819593][ T364] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.819598][ T364] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.819606][ T364] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 15.819609][ T364] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.819618][ T364] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 15.819621][ T364] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.819626][ T364] put_chars (drivers/char/virtio_console.c:1176) [ 15.819629][ T364] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 15.819633][ T364] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.819638][ T364] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.819644][ T364] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.819647][ T364] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.819653][ T364] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.819657][ T364] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.819660][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.819662][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.819669][ T364] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.819672][ T364] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.819677][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.819681][ T364] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.819688][ T364] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.819694][ T364] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.819697][ T364] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 15.819702][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.819705][ T364] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.819712][ T364] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.819719][ T364] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.819721][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.819730][ T364] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.819735][ T364] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.819737][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.819741][ T364] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.819747][ T364] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.819749][ T364] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.819754][ T364] vprintk_emit (kernel/printk/printk.c:2479) [ 15.819760][ T364] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.819764][ T364] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.819768][ T364] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.819774][ T364] _printk (kernel/printk/printk.c:2504) [ 15.819779][ T364] ? snapshot_read.cold (user.c:?) [ 15.819785][ T364] ? br_multicast_flood (??:?) bridge [ 15.819803][ T364] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.819806][ T364] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.819808][ T364] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.819816][ T364] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 15.819833][ T364] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 15.819847][ T364] new_nbp (net/bridge/br_if.c:449) bridge [ 15.819863][ T364] br_add_if (net/bridge/br_if.c:592) bridge [ 15.819875][ T364] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 15.819880][ T364] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 15.819884][ T364] ? __kernel_text_address (kernel/extable.c:79) [ 15.819897][ T364] do_set_master (net/core/rtnetlink.c:3071) [ 15.819904][ T364] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.819909][ T364] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.819914][ T364] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.819916][ T364] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.819919][ T364] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.819923][ T364] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.819927][ T364] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.819930][ T364] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.819934][ T364] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.819938][ T364] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.819941][ T364] ? kasan_save_track (mm/kasan/common.c:78) [ 15.819945][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.819948][ T364] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 15.819952][ T364] ? ___sys_sendmsg (net/socket.c:2757) [ 15.819959][ T364] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.819962][ T364] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.819967][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.819970][ T364] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.819972][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.819975][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.819978][ T364] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.819984][ T364] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 15.819988][ T364] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.819991][ T364] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.820001][ T364] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.820004][ T364] ? nla_get_range_signed (lib/nlattr.c:270) [ 15.820013][ T364] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.820022][ T364] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.820032][ T364] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.820035][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.820042][ T364] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.820045][ T364] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.820049][ T364] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.820052][ T364] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.820058][ T364] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.820061][ T364] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.820066][ T364] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.820068][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.820076][ T364] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.820079][ T364] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.820084][ T364] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.820087][ T364] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.820092][ T364] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.820103][ T364] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 15.820105][ T364] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 15.820112][ T364] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.820119][ T364] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.820123][ T364] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.820130][ T364] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.820136][ T364] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.820143][ T364] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.820152][ T364] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.820156][ T364] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.820159][ T364] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.820161][ T364] ? move_addr_to_kernel (net/socket.c:258) [ 15.820175][ T364] ___sys_sendmsg (net/socket.c:2767) [ 15.820179][ T364] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.820209][ T364] __sys_sendmsg (net/socket.c:2799) [ 15.820213][ T364] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.820224][ T364] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.820230][ T364] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.820234][ T364] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.820239][ T364] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.820242][ T364] RIP: 0033:0x7f29d2c7054e [ 15.820247][ T364] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 15.820249][ T364] RSP: 002b:00007ffe83fb2b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.820253][ T364] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f29d2c7054e [ 15.820256][ T364] RDX: 0000000000000000 RSI: 00007ffe83fb2c30 RDI: 0000000000000005 [ 15.820257][ T364] RBP: 00007ffe83fb2b90 R08: 0000000000000000 R09: 0000000000000000 [ 15.820259][ T364] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e599 [ 15.820260][ T364] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe83fb32f0 | [ 17.850030][ C2] | [ 17.850031][ C2] | [ 17.850031][ C2] stack backtrace: | [ 17.850036][ C2] Tainted: [W]=WARN [ 17.850037][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.850039][ C2] Call Trace: [ 17.850040][ C2] [ 17.850042][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.850045][ C2] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 17.850048][ C2] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 17.850051][ C2] mark_lock (kernel/locking/lockdep.c:4769) [ 17.850052][ C2] mark_usage (kernel/locking/lockdep.c:4658) [ 17.850054][ C2] __lock_acquire (kernel/locking/lockdep.c:5208) [ 17.850056][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.850058][ C2] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.850060][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.850063][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.850065][ C2] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.850067][ C2] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.850068][ C2] console_emit_next_record (kernel/printk/printk.c:3177) [ 17.850071][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.850072][ C2] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 17.850074][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.850076][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.850078][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.850080][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.850082][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.850084][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.850086][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.850087][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.850089][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.850091][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.850092][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.850094][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 17.850097][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.850098][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.850101][ C2] _printk (kernel/printk/printk.c:2504) [ 17.850102][ C2] ? snapshot_read.cold (user.c:?) [ 17.850104][ C2] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 17.850107][ C2] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 17.850114][ C2] ? idr_get_free (??:?) [ 17.850117][ C2] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 17.850123][ C2] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 17.850130][ C2] ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge [ 17.850138][ C2] ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge [ 17.850145][ C2] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 17.850152][ C2] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 17.850158][ C2] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924) [ 17.850160][ C2] ? vxlan_rcv (./include/linux/rcupdate.h:882 drivers/net/vxlan/vxlan_core.c:1804) vxlan [ 17.850165][ C2] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 17.850172][ C2] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 17.850178][ C2] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 17.850181][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.850183][ C2] ? do_xdp_generic (net/core/dev.c:5732) [ 17.850185][ C2] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:842) [ 17.850188][ C2] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844) [ 17.850189][ C2] ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029) [ 17.850191][ C2] ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54)) [ 17.850194][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.850195][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.850197][ C2] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 17.850200][ C2] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 17.850202][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.850203][ C2] ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2)) [ 17.850205][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.850207][ C2] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 17.850209][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.850211][ C2] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 17.850212][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.850214][ C2] ? validate_chain (kernel/locking/lockdep.c:154 (discriminator 5) kernel/locking/lockdep.c:202 (discriminator 5) kernel/locking/lockdep.c:3329 (discriminator 5) kernel/locking/lockdep.c:3924 (discriminator 5)) [ 17.850215][ C2] ? dev_gro_receive (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/gro.c:533 (discriminator 2)) [ 17.850217][ C2] ? dev_gro_receive (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/core/gro.c:572) [ 17.850219][ C2] gro_receive_skb (./include/net/gro.h:523 ./include/net/gro.h:543 net/core/gro.c:617 net/core/gro.c:647) [ 17.850220][ C2] gro_cell_poll (./include/linux/netdevice.h:4346 net/core/gro_cells.c:71) [ 17.850223][ C2] __napi_poll (net/core/dev.c:7787) [ 17.850225][ C2] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 17.850227][ C2] ? __napi_poll (./include/net/gro.h:507) [ 17.850229][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.850232][ C2] ? __schedule (kernel/sched/core.c:7277) [ 17.850233][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.850236][ C2] handle_softirqs (kernel/softirq.c:645) [ 17.850238][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 17.850239][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.850241][ C2] run_ksoftirqd (kernel/softirq.c:1108 kernel/softirq.c:1100) [ 17.850242][ C2] smpboot_thread_fn (kernel/smpboot.c:160) [ 17.850244][ C2] ? sort_range (kernel/range.c:164) [ 17.850246][ C2] kthread (kernel/kthread.c:436) [ 17.850247][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.850250][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.850252][ C2] ret_from_fork (arch/x86/kernel/process.c:158) [ 17.850253][ C2] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 17.850255][ C2] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 17.850258][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.850259][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 17.850277][ C2] softirqs last disabled at (926551): run_ksoftirqd (kernel/softirq.c:1108 kernel/softirq.c:1100) | [ 17.850279][ C2] Preemption disabled at: | [ 17.850279][ C2] handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1)) | [ 17.850284][ C2] Tainted: [W]=WARN [ 17.850284][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.850285][ C2] Call Trace: [ 17.850285][ C2] [ 17.850286][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.850288][ C2] ? handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1)) [ 17.850290][ C2] __might_resched.cold (kernel/sched/core.c:9234) [ 17.850292][ C2] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.850295][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.850298][ C2] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 17.850299][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.850301][ C2] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.850302][ C2] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 17.850304][ C2] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.850306][ C2] put_chars (drivers/char/virtio_console.c:1176) [ 17.850308][ C2] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.850309][ C2] ? mark_lock (kernel/locking/lockdep.c:4769) [ 17.850311][ C2] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.850314][ C2] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.850315][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.850317][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.850318][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.850320][ C2] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.850323][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.850324][ C2] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 17.850326][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.850328][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.850330][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.850332][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.850333][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.850336][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.850337][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.850339][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.850341][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.850343][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.850344][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.850346][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 17.850348][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.850350][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.850352][ C2] _printk (kernel/printk/printk.c:2504) [ 17.850353][ C2] ? snapshot_read.cold (user.c:?) [ 17.850355][ C2] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 17.850357][ C2] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 17.850363][ C2] ? idr_get_free (??:?) [ 17.850366][ C2] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 17.850373][ C2] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 17.850379][ C2] ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge [ 17.850385][ C2] ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge [ 17.850391][ C2] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 17.850398][ C2] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 17.850404][ C2] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924) [ 17.850406][ C2] ? vxlan_rcv (./include/linux/rcupdate.h:882 drivers/net/vxlan/vxlan_core.c:1804) vxlan [ 17.850410][ C2] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 17.850416][ C2] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 17.850422][ C2] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 17.850425][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.850427][ C2] ? do_xdp_generic (net/core/dev.c:5732) [ 17.850428][ C2] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:842) [ 17.850430][ C2] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844) [ 17.850431][ C2] ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029) [ 17.850433][ C2] ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54)) [ 17.850434][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.850436][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.850438][ C2] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 17.850440][ C2] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 17.850442][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.850444][ C2] ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2)) [ 17.850446][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.850448][ C2] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 17.850449][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.850451][ C2] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 17.850452][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.850454][ C2] ? validate_chain (kernel/locking/lockdep.c:154 (discriminator 5) kernel/locking/lockdep.c:202 (discriminator 5) kernel/locking/lockdep.c:3329 (discriminator 5) kernel/locking/lockdep.c:3924 (discriminator 5)) [ 17.850455][ C2] ? dev_gro_receive (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/gro.c:533 (discriminator 2)) [ 17.850457][ C2] ? dev_gro_receive (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/core/gro.c:572) [ 17.850458][ C2] gro_receive_skb (./include/net/gro.h:523 ./include/net/gro.h:543 net/core/gro.c:617 net/core/gro.c:647) [ 17.850460][ C2] gro_cell_poll (./include/linux/netdevice.h:4346 net/core/gro_cells.c:71) [ 17.850462][ C2] __napi_poll (net/core/dev.c:7787) [ 17.850464][ C2] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 17.850467][ C2] ? __napi_poll (./include/net/gro.h:507) [ 17.850469][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.850472][ C2] ? __schedule (kernel/sched/core.c:7277) [ 17.850473][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.850475][ C2] handle_softirqs (kernel/softirq.c:645) [ 17.850477][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 17.850478][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.850480][ C2] run_ksoftirqd (kernel/softirq.c:1108 kernel/softirq.c:1100) [ 17.850482][ C2] smpboot_thread_fn (kernel/smpboot.c:160) [ 17.850484][ C2] ? sort_range (kernel/range.c:164) [ 17.850485][ C2] kthread (kernel/kthread.c:436) [ 17.850486][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.850488][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.850489][ C2] ret_from_fork (arch/x86/kernel/process.c:158) [ 17.850491][ C2] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 17.850492][ C2] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 17.850494][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.850496][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 33.746238][ T12] softirqs last disabled at (26935): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 33.746240][ T12] Preemption disabled at: | [ 33.746241][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 33.746252][ T12] Tainted: [W]=WARN [ 33.746253][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.746254][ T12] Workqueue: netns cleanup_net [ 33.746260][ T12] Call Trace: [ 33.746261][ T12] [ 33.746262][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.746268][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 33.746270][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 33.746273][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.746277][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.746281][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 33.746284][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.746287][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.746290][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 33.746292][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.746294][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 33.746296][ T12] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 33.746297][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.746300][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 33.746302][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.746305][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.746306][ T12] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 33.746308][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.746310][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.746311][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.746313][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.746315][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.746318][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.746320][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.746321][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.746323][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.746325][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.746327][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 33.746328][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.746331][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.746333][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.746335][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.746337][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.746338][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.746340][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.746341][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.746343][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 33.746345][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.746347][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.746349][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 33.746351][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.746353][ T12] ? process_one_work (kernel/workqueue.c:3387) [ 33.746356][ T12] ? kthread (kernel/kthread.c:436) [ 33.746358][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 33.746360][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 33.746362][ T12] _printk (kernel/printk/printk.c:2504) [ 33.746365][ T12] ? snapshot_read.cold (user.c:?) [ 33.746368][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 33.746370][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 33.746372][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 33.746374][ T12] ? netdev_notice (net/core/dev.c:13194) [ 33.746376][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.746378][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 33.746379][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 33.746382][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 33.746383][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 33.746386][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 33.746389][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 33.746391][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 33.746405][ T12] br_dev_delete (net/bridge/br_if.c:387) bridge [ 33.746413][ T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 33.746420][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 33.746422][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 33.746424][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 33.746428][ T12] cleanup_net (net/core/net_namespace.c:706) [ 33.746430][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 33.746432][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.746433][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.746436][ T12] process_one_work (kernel/workqueue.c:3387) [ 33.746438][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 33.746440][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 33.746442][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.746445][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 33.746448][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 33.746449][ T12] kthread (kernel/kthread.c:436) [ 33.746451][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 33.746452][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.746454][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 33.746456][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 33.746458][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 33.746460][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars run_ksoftirqd:handle_softirqs:dump_stack_lvl:__kmalloc_noprof:put_chars __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars